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    Entries in Irina Krush (15)

    Saturday
    Mar212020

    Irina Krush, Diagnosed with COVID-19

    American GM Irina Krush isn't particularly old - she turned 36 last December - but she not only contracted the novel coronavirus but started experiencing serious, atypical symptoms. From her Facebook page:

    "Last Wed night, March 11th, I started to feel a little bit under the weather. On Thursday I had an unpleasant temperature, 37.6, spent some extra time sleeping, but it got better after that. My temperature never went up again as high, it actually fluctuated between 36.7 and 37. I should also mention, by Friday night, but definitely by Saturday I lost my sense of smell completely. I could not smell the cup of coffee right in front of my nose. I could not taste what I was eating. That was a depressing symptom...happy to say that my sense of smell/taste is coming back to me now! On Sunday I felt well enough to take an hour walk on the boardwalk. But on Monday evening, I felt a shortness of breath, a symptom I've never experienced before. I just had to take deeper breaths to get the air in. It was definitely worrying, especially given I had absolutely no other symptoms like fever or coughing. On Tuesday morning, I had an internet lesson just like I'd had on Monday morning. That was when I knew it wasn't "anxiety" or me dreaming something up: I just couldn't talk without taking extra pauses to breathe. I went to CityMD right after my lesson. When they saw I had no temperature, that my chest X ray was clear and there were no signs of pneumonia, the doctor visibly relaxed (since it didn't look like I had coronavirus). She had no explanation for the shortness of breath, though, and suggested a CT scan at the ER to check for blood clots. So I went to the ER (not the most pleasant experience, there were people around with a cough so severe I was really concerned I could catch the virus there). Anyway, the CT scan showed "early coronavirus" and pneumonia in both lungs. I was also given the actual test, which only came back today (positive). I spent a couple days in the hospital, I guess mostly under observation as there wasn't much that needed to be done for me...they did test my blood for oxygenation and found it was fine. So now I am home...taking the hydroxychloroquine tablets. I still have no other symptoms other than the shortness of breath, which I guess I can describe as "moderate". Going up the stairs you do feel totally out of breath, but even sitting in place you can feel it. I am very happy I can breathe on my own. Anyway, I thought I'd share this as I know the trajectory of my illness was not completely typical, and it can help some of you get tested/treated/go into quarantine earlier. And it absolutely made me see the importance of staying home and doing your part to slow the spread of this. Wish you all to stay healthy!"

    Thank God she is doing better, and it's very good news that positive, if still anecdotal, results for hydroxycloroquine keep coming in. Let's hope that if there have to be more stories about the virus in the chess world, they will be no worse than this.

    Thursday
    Apr142016

    U.S. Championships Start Today!

    At 1 p.m. local time in St. Louis (= 2 p.m. ET) the U.S. Championships get underway in St. Louis. Both the Championship and the Women's event are 12 player round robins finishing April 25 - April 26 in case of a playoff, and don't forget that after the event, on the 28th and 29th, there will be a blitz event that might include the big three (Fabiano Caruana, Hikaru Nakamura, and Wesley So) and definitely includes none other than Garry Kasparov. (I hope for his sake he has been training hard.)

    The Championship is incredibly strong, with three players in the top 10 (the aforementioned Mssrs. Caruana, Nakamura, and So), and the second tier of Gata Kamsky, Alexander Onischuk, Ray Robson, and Sam Shankland isn't exactly chopped liver. On the Women's side, it looks likely to be another battle to the death between Irina Krush and Anna Zatonskih, who between them have won the last 10 women's championships. Krush has won the last four, but they've almost always come down to the wire and Zatonskih is the very slightly higher-rated player.

    Here are the first round pairings for the main event: 

    • Fabiano Caruana (2795) - Varuzhan Akobian (2615)
    • Sam Shankland (2656) - Akshat Chandra (2477)
    • Wesley So (2773) - Gata Kamsky (2678)
    • Hikaru Nakamura (2787) - Aleksandr Lenderman (2618)
    • Alexander Shabalov (2528) - Ray Robson (2663)
    • Alexander Onischuk (2664) - Jeffery Xiong (2618) 

    It's a good time to be a fan of U.S. chess! Tournament predictions? Nakamura is the defending champion, and he and Gata Kamsky have won the last seven between them. So only started playing in the U.S. Championship last year and Caruana is a rookie, so the Nakamura-Kamsky streak isn't as relevant as it would otherwise be. My prediction is that Nakamura will win.

    Sunday
    Apr122015

    U.S. Championships, Round 11: Nakamura and Krush are the Champions

    Congratulations to both Hikaru Nakamura and Irina Krush are in order. They won the U.S. Championship and the U.S. Women's Championship, respectively, and pocketed some nice coin along the way as well - $45k for Nakamura and $20k for Krush.

    Nakamura entered the last round half a point ahead of Ray Robson, and that's how he ended it too. Robson's game finished after Nakamura's, but that Robson would win was clear early on. He faced Timur Gareev, who has been playing somewhat eccentric chess throughout the tournament; today, he went completely out of orbit and left the solar system. Gareev is a great player whose FIDE rating reached a high of 2682 a couple of years ago, so his managing to achieve a lost position with white in just nine moves should be chalked up his having too much talent rather than too little. The game lasted 31 moves, but the final result was seldom if ever in doubt.

    In the meantime, Alexander Onischuk managed to equalize against Nakamura pretty comfortably, and was probably just a few precise moves away from making a draw. Had he done so, Nakamura would have had a rapid playoff against Robson on Monday. Instead, Onischuk made a few little inaccuracies, got in trouble, and then was lost - all within a space of six or seven moves. The fatal moment came for Black when he played 27...Nxf2, which was a tactical blunder. Instead, 27...Rb6 would have led to a double rook ending where White's extra pawn would give him the ability to torture Black for many moves to come, but not probably not win against correct defense. After 27...Nxf2 28.Nd4 Nh3+ Onischuk probably missed Nakamura's 29.Kh1!, winning (at least) an exchange, and he resigned two moves later.

    Nakamura thus finished in clear first with 8/11, Robson in clear second with 7.5 points, and in clear third was Wesley So with 6.5 after another strong win, this time against Kayden Troff. It's to So's credit that he finished so well, and it's to his relief (I hope) that the final margin was such that even if So had defeated Akobian he still would have finished half a point behind Nakamura.

    In the remaining games, Shankland drew with Akobian, Naroditsky drew with Kamsky and, perplexingly, Sam Sevian beat Conrad Holt. It's difficult to be certain about this, in part because the live commentary ended shortly after Nakamura's win and most of what we have to go by is the very fallible result (probably) generated by the DGT boards. Here's the data I have: the tournament website's crosstable and the broadcast board on Chess24 both give the result as a win for Sevian. Moreover, the broadcast board shows Black (Holt) having no time, which offers a reasonable explanation. But look at the game itself: absolutely nothing happened from move 52 until move 99, when Holt finally decided to push his a-pawn up a square to avoid a coming 50-move rule claim, and a move later he lost on time in an absolutely safe position two pawns ahead. If they had been playing without an increment then sure, things like this can happen, but with 30 seconds added after every move Holt must have just lost track of the clock. This is possible, but it's also possible that he just decided that playing the position out was pointless and agreed to a draw, and they didn't bother to stop the clock afterward and/or the kings were put on the wrong squares in the center, at least momentarily.

    We're in rich tangent territory here, and I'll indulge a bit before turning briefly to the women's championship. If it turns out that this is just another DGT error, it might be time to hire some unemployed people to picket that company's headquarters until they make some sort of design fix. But rather than beat that dead horse, here's a new topic: why did the English-language commentators, who were on site, quit their broadcast so early? I'm not sure if the culprit is the St. Louis club or Yasser Seirawan, but this happened all tournament long. I'm sure the Sinquefields are paying him well; is it too much to ask that he (and Jennifer Shahade & Maurice Ashley) actually stay for the entire time? It is frankly incredible to me that the Spanish-language commentary coming from a Chess24 studio in Europe more than once outlasted the on site English-language commentary team based at the tournament site itself. Even if Yaz & crew didn't stick around for all 100 moves of Sevian-Holt, they didn't have to pack their bags when just two of the six games in the open section had finished. The St. Louis club is doing some great things for chess in the United States, but there are some things they could do better - and this is one of them.

    Turning back to the game itself, I should note one especially interesting moment, which would have preempted all of this discussion. Holt was better almost all the way, but a big slip on move 26 gave Sevian the chance to finish in style. 27.Nf5! would have won, threatening 28.Qh8+ followed by 29.Rh7#. The main variation runs 27...exf5 (creating a flight square on e6) 28.e6! (preventing the king from running, after 28...Qxe6 the flight square is gone) 28...Qg7 29.Kf2 (threatening Rh1 followed by Rh8+, mating) and wins. Black must play either 29...Nd8, when after 30.e7! he's going to lose practically everything (30...Qe7 31.Rh8+ followed by 32.Rh7+, 33.Rxe7(+) and 34.Qxb7), or he plays 29...Bf/d7 30.Rh1! Bxe6 31.Rh8+ Kf7 32.Qc7+! Ne7 33.R8h7, when one funny finale is 33...Rbe8 34.Qe5! with mate in three.

    As for the strange way Holt lost - if he lost - it reminds me of one of my luckiest wins ever. After making a huge error in a game where I was clearly better, I had to go into a bad ending a pawn down against a strong expert (approximately 2140 USCF). There were many further adventures in the game, but I somehow reached an ending with king and rook against my opponent's king and queen. This is a theoretical win for the queen, of course, but finishing off the rook isn't trivial against good defense. (Walter Browne initially failed to defeat a computer in that ending in a specially arranged challenge, and years later Peter Svidler once famously failed to win this ending against Boris Gelfand in a crucial FIDE knockout world championship match, in a rapid playoff.) Unfortunately for my opponent, he had only seven seconds to win it, but with a five second time delay every move. (That is, there was a five second grace period each move before the seven seconds would start ticking off.) He made most of his moves without losing any of his time, but at one point he burned five of his "real" seconds, and then around 25 moves into the endgame he spent his last two seconds, and lost. It was a difficult situation for my opponent: just making moves would have been easy, but to make progress against good defense one must concentrate. And once one really concentrates, how does one remember to move?

    So perhaps something like that happened to Holt. Another topic for discussion: should he have kept playing that ending against Sevian, after not making a shred of progress for 48 moves? Normally I'd say that he had carried out the appropriate desire to fight for a win a bit too far, but something important was at stake: a place in the World Cup this September. I'm not sure what the tiebreak situation was in case of a draw: Troff, Holt and Sevian would have all had 5 points and only one last spot was available. (Shankland also had 5 points, but had already qualified from another event.) If Holt had won, the spot would have been his; instead, it's the 14-year-old Sevian who has qualified, along with Nakamura and So (by rating), Shankland (from the American Continental Championship), and Robson, Onischuk, Akobian, and Kamsky from this event.

    Time for a few words about the women's championship. Irina Krush led her closest rivals by a full point entering the last round, and needed only a draw with white against one of them - Katerina Nemcova - to seal the deal. This she managed to do in an efficient and expeditious manner, and she has now won her 7th U.S. Women's crown and fourth in a row. Very impressive! - but it's not the record. Gisela Kahn Gresser (1904-2000) won it nine times from 1944 to 1969; an especially impressive feat considering that she didn't even learn how to play until she was in her 30s! Krush, by contrast, only turned 31 in December, so the odds are very good she will exceed Gresser's mark and then some before she decides to call it a career.

    Saturday
    Apr112015

    U.S. Championships, Round 10: Nakamura and Krush Lead Entering the Final Round

    The open and women's events aren't over and the favorites (Hikaru Nakamura and Irina Krush, respectively) - who are also the leaders - haven't yet clinched. They are both in fine shape entering the final round on Sunday and look likely to finish as champions.

    Nakamura had an extremely important game today, taking on Ray Robson with the black pieces. Robson was, and is, only half a point behind, so this was a major opportunity for him. Alas, there wasn't much excitement in the game. Robson played 1.e4 and Nakamura decided to play solidly with 1...e5. Feeling relatively empty-handed against the Berlin, Robson opted instead for the Scotch Four Knights. That was probably even less successful than a Berlin would have been--if anyone was better after the opening it was Nakamura, and while Robson may have obtained the tiniest of edges later on it was a pretty routine and easy hold for the leader.

    Still, some drama remains. Robson is still only half a point behind, and if he can win against Timur Gareev in the final round (albeit with the black pieces) while Alexander Onischuk manages to hold Nakamura to a draw, there will be a playoff. In fact, a three-person playoff is possible. Onischuk beat Sam Sevian convincingly, and with the win moved to within a point of the leader. Thus if he beats Nakamura (not likely, at least/especially because he'll have black) and Robson draws his game, all three will move on to playoffs on Monday.

    The situation could have been even more interesting had Wesley So not been forfeited in round 9. Today So bounced back marvelously, winning a very impressive game with black against none other than Gata Kamsky. Had he drawn with Varuzhan Akobian yesterday he would have been tied with Onischuk for third, and of course if he had won he'd be tied with Robson. As things stand, however, he's out of the running. (It should be mentioned that if Kamsky had won, he'd have been tied with Onischuk.)

    In the women's championship, Krush is suddenly leading by a full point entering the last round. She had been trailing Katerina Nemcova all event long, only catching up to her after round 9, but now she has jumped ahead. Krush won pretty easily against Jennifer Yu, while Nemcova lost to Paikidze (who also beat Krush!) - albeit somewhat unnecessarily. Nemcova was better most of the way - at times seriously better - but got careless about her king's safety and went from clearly better to simply lost in the space of about four moves.

    Krush has 8/10, and both Nemcova and Paikidze have 7 points apiece. Krush will have white against Nemcova in the last round, while Paikidze has white against Foisor. Thus the women's championship could also finish in a two- or even three-person playoff on Monday, but only if the slumping and lower-rated Nemcova can defeat the surging Krush. Not likely, but you never know.

    Finally, an addendum to yesterday's post about So's forfeit. I cited an article that included allegations that Paul Truong played some role in creating an emotionally disturbing atmosphere around So. Truong has responded on his Facebook page (HT: Allen Becker), to which I link in the interest of fairness.

    Tuesday
    Mar312015

    The U.S. Championships Start Tomorrow (Wednesday)

    The semi-retired Gata Kamsky has won the last two U.S. Championships, but in neither event did he have to overcome U.S. #1 (and now world #3) Hikaru Nakamura. In this year's U.S. championship, he'll not only have to outperform Nakamura, but world #8 Wesley So as well. On the women's side, Irina Krush will be going for her 27th straight title (give or take...it'll be "just" her 7th title and fourth in a row, if she wins). For some reason her main rival, 4-time champ Anna Zatonskih, isn't playing, so her toughest opposition may come from Tatev Abrahamyan.

    Play begins each day at 1 p.m. local time in St. Louis = 2 p.m. ET. The pairings will be determined tonight, and both tournaments are 12-player round-robins. Sticking to the men's event, what do you think: Nakamura, So, or the field?

    Saturday
    Nov292014

    Qatar Masters: Giri Leads With 4/4

    So far it's a fine performance by the young Dutchman and top seed Anish Giri, who is the solo leader of the Qatar Masters Open with 4/4. Thus far he hasn't been tested, and today he crushed his opponent, Mikhailo Oleksienko, in just 18 moves on the white side of a Caro-Kann - and he was probably winning after Black's 10th move. (In case you're wondering, Oleksienko is a GM with a 2620 rating; this isn't some sort of master vs. amateur rout at the local club!) Ouch.

    Five players are just half a point behind - Evgeny Tomashevsky, Nils Grandelius, Yuriy Kryvoruchko, Shakhriyar Mamedyarov, and Pavel Eljanov - and then there are a ton of players with 3/4, including Vladimir Kramnik. Kramnik started with two draws and a very shaky win in round 3, but in round 4 he finally looked more like himself and is getting back into the hunt. The top American player so far, Sam Shankland, also has 3 points, and several Americans have 2.5 points including Daniel Naroditsky, Alex Lenderman and Irina Krush. (Krush had an especially impressive victory in round 3 over Sergey Fedorchuk, and with the black pieces at that.) Another notable 2.5 pointer is Bela Khotenashvili. She defeated Baadur Jobava in round 1, and today in round 4 she defeated another super-strong GM, Gabriel Sargissian.

    It's a very strong tournament, and as you can see from the foregoing even top GMs aren't getting much "respect" from their opponents. Especially notable among the super-GM victims are Arkadij Naiditsch, whose 2719 rating still left him with an 0-2 start, and after a win in round 3 he lost to an IM in round 4 to fall to 1-3. Even worse: Viktor Bologan started 0-3 and only managed his first draw of the event today, against an FM. (Worse yet: while some might conceivably have a tough time in Qatar because they're unused to the climate, I believe Bologan has spent a lot of time working as a trainer there over the years. He's just having a very bad tournament.)

    Five rounds remain.

    Tuesday
    May202014

    Kamsky, Krush Win The U.S. Championships (Again)

    It wasn't easy, but defending champions Gata Kamsky and Irina Krush both managed to keep their U.S. Championship crowns. For Kamsky, this is his fifth title and fourth in the last five years, while for Krush it is her sixth title and third in a row.

    In the open championship Kamsky had the best tiebreak of the three playoff participants, so he waited for the winner of the bid-Armageddon semi-final match between Alex Lenderman and Varuzhan Akobian. Akobian had the low bid with 29:57, so he was given Black and draw odds against Lenderman, who got White and 45 minutes. The position was around equal when Lenderman made a fatal miscalculation. He sacrificed a pawn, expecting to regain it after 22.Na4 with a positional advantage. He completely missed (or at least underestimated) the weakness of f2, and Akobian quickly finished him off with a direct attack and advanced to the final.

    An Armageddon game at the stage could eventually be reached, but before that could happen the players would have a couple of normal game/25s (with five second increments) first. Akobian had White against Kamsky in the first game, got nothing, and the game was a relatively uneventful draw. In the second game Kamsky played his usual patient chess, essaying the London System and playing for a little queenside pressure. Objectively the position after 17 moves was approximately equal, but Akobian, who was already starting to run low on time, tried to resolve the position immediately with 17...dxc4 18.Nxc4 e5. He was probably better off keeping the position intact, but it's hard for most of us not to just "do something", especially in a high pressure game with time dwindling away. The same goes in spades for Akobian's 21...c5, which was an outright error. After this mistake he was just about lost, and he was soon down a pawn and down to his last seconds on the clock; bad news against anyone, and hopeless news against Kamsky.

    In the women's championship things proceeded quite similarly. Krush, likewise the defending champion, had the best tiebreak scores and could await the winner of the bid-Armageddon game. The winning bid here was very similar to that in the open event, with Tatev Abrahamyan getting Black and draw odds with 29:45 on her clock to Anna Zatonskih's 45 minutes. Here the similarities end, as Abrahamyan was simply unfamiliar with the theory of a major line - not good. 12...Nxc3 is the standard move; instead, her 12...Nc5 was a lemon. When Zatonskih found the brilliant and correct 16.Nxd5!! it looked like it would be game over, and the commentators were already making her the favorite for the final, given how sharp she seemed to be. Abrahamyan's response was a further error, and on move 20 Zatonskih had several winning moves. Instead, she blundered with 20.a4?? - a good idea in general, but not properly timed - and after this Black was not only not dead lost, but better. From there Abrahamyan always kept control, and although both sides committed various inaccuracies Zatonskih never had the chance to be better. In the final position Black was around +50 according to the computer, but with White enjoying some threatening possibilities and a handy perpetual available Abrahamyan took the easy way out and proceeded to the final.

    The first g/25 was a mess, with Krush's position constantly vacillating between clearly winning and much better, with an occasional fleeting moment where Abrahamyan might sneak out with a draw. The last such moment came on move 66, when after a long stretch of very resourceful defense Abrahamyan could have drawn with 68...Rg8+ 69.Rb8 Rb6!! 70.Rxg8+ Kxg8, when any sideways rook move will be met by 71...Ra6+, winning the pawn or repeating. If instead 71.a5, then 71...Rb5 72.a6 Rb6 and the pawn is lost due to zugzwang. Missing this last chance, she lost the game. In game 2 Krush equalized with Black, but 20...Nxd5? was too cynical. Yes, it traded some material, but gave White the opportunity to target Black's weak b- and d-pawns, not to mention the Black king by means of the h7 square and the a2-g8 diagonal. Abrahamyan also enjoyed a huge advantage on the clock, but Krush defended well (except on move 31) and eventually both advantages disappeared. In the end Krush had the better position - and crucially, one that could not be lost - and White eventually acquiesced in the draw. (All the games can be replayed here, with my on-the-fly notes.)

    Congratulations once again to Gata Kamsky and Irina Krush! Their challengers are getting closer and closer, but close, as they rightly say, isn't good enough.

    Sunday
    May182014

    The U.S. Championships: Co-Leaders Heading For Home

    The last couple of rounds have been extremely eventful at the U.S. Championships, and have seen reversals of the reversals! When we left off last time, Varuzhan Akobian had won three in a row to take a half-point lead over Gata Kamsky and a full point lead over early leader Alex Lenderman and several others. In round 8 Akobian won again, Kamsky drew and Lenderman bounced back nicely by beating the very solid Alexander Onischuk, and with the black pieces at that. It got even better for Lenderman in round 9. He won what looked like a fairly drawish position against Daniel Naroditsky while Akobian lost his first game of the event, an all-around nightmare game against Sam Shankland. That left Akobian tied with Lenderman for first with 6/9, with Kamsky half a point behind after he was unable to convert an advantageous position against Mackenzie Molner. Josh Friedel is also in the hunt after his 9th round win over Sergey Erenburg, like Kamsky just half a point behind the leaders.

    So here are the key pairings for rounds 10 and 11:

    Round 10:

    • Molner (3) - Lenderman (6)
    • Akobian (6) - Kamsky (5.5)
    • Friedel (5.5) - Shankland (4.5)

    Round 11:

    • Kamsky - Friedel
    • Lenderman - Akobian

    Perfect!

    In the women's championship Irina Krush's draw in round 7 against Sabina-Francesca Foisor left her a full point behind Anna Zatonskih after the latter's win over Alisa Melekhina. Fortunately they still had their head-to-head match before them in round 8, and Krush gradually managed to convert her significant opening edge into a win. They are thus tied with 6/8 heading into Monday's final round (they have a rest day on Sunday), and Tatev Abrahamyan is only half a point behind in case they fail to win in the last round. Here are the key pairings:

    • Ni (3) - Krush (6)
    • Baginskaite (1.5) - Abrahamyan (5.5)
    • Zatonskih (6) - Nemcova (4.5)

    In case of a two-way tie for first there will be a playoff, and if it's between Krush and Zatonskih it won't be their first. Playoffs, if necessary for either (or both) group(s), will take place on Tuesday.

    Saturday
    Oct192013

    Irina Krush, Grandmaster

    If anything, I thought it would happen sooner, but I'm pleased to learn from the current issue of ChessVibes Training that U.S. Women's Champion Irina Krush achieved her third grandmaster norm at the Baku Open, and as her current FIDE rating has passed the 2500 threshold it means she has earned the title.

    Congratulations!

    Monday
    May132013

    U.S. Championships, Round 9: Krush Wins the Women's Title; Kamsky and Ramirez Need a Playoff

    In the women's championship, Irina Krush came into the last round needing only a draw against Camilla Baginskaite to seal clear first, and that's just what she got. She played it safe, but even within those self-imposed parameters she managed to outplay Baginskaite and win a pawn. That should have been enough to win, and under normal circumstances I suspect she would have closed the deal. Perhaps overly excited about clinching tournament victory, she got a bit careless and allowed her opponent some counterplay. Wisely, she decided to regain her bearings, reset her sights, and offer a draw. It was accepted, and her resulting score of 8/9 won the event (and $18,000), half a point ahead of Anna Zatonskih, who defeated Sabina Foisor in the last round. Tatev Abrahamyan took third with 6.5 points. (Full standings here.)

    In the main event, Gata Kamsky could have clinched clear first with a win over Ray Robson, but although he seemed close to winning Robson managed to keep just enough activity to sneak out with a draw. That left the door open for any one of three players to catch him: Alejandro Ramirez (who faced Larry Christiansen), Alexander Onischuk (facing Kayden Troff) and Conrad Holt (whose opponent was second-seeded Timur Gareev). Two failed, but one succeeded.

    Onischuk had the white pieces and a big rating advantage against Troff, but despite that never came close to winning. The game was drawn, and Troff secured his first GM norm - not bad for anyone, especially for someone who turned 15 less than a week ago!

    Holt had a crazy game with Gareev that should have ended in a draw, but perhaps Holt wanted so desperately to win that he rejected a simple drawing continuation a few moves before the finish. I don't know that it was the last drawing chance, but it was certainly the easiest: 77...Qxd5 78.Bxd5 Nf5+ followed by 79...Nd4 and then capturing the b-pawn. Maybe he missed it, or maybe he hallucinated and forgot that 78...Nf5 was check (if it weren't check, White would have Be4, pinning and winning). Or, as I suggested above, he wanted to go for the win at all costs. Whatever the story, he didn't manage to catch Kamsky.

    Ramirez did, however, to his own surprise and delight, outplaying Christiansen and finishing with a nice attack in an ending with heavy pieces. Ramirez (who incidentally became a GM at 15) will have a playoff match with Kamsky tomorrow/today (Monday) at 12:00 noon St. Louis time, and they will play two 25-minute games. If it's tied after that, then they will have a bid Armageddon game.

    (Full standings here.)